fix rfc6266

1 files changed, 1 insertions, 1 deletions

diff --git a/system/helpers/download_helper.php b/system/helpers/download_helper.php
index 02d4ce11e..338725477 100644
--- a/system/helpers/download_helper.php
+++ b/system/helpers/download_helper.php
@@ -149,7 +149,7 @@ if ( ! function_exists('force_download'))
 
 		// Generate the server headers
 		header('Content-Type: '.$mime);
-		header('Content-Disposition: attachment; filename="'.$filename.'"');
+		header('Content-Disposition: attachment; filename="'.$filename.'"; filename*=UTF-8\'\''.rawurlencode($filename));
 		header('Expires: 0');
 		header('Content-Transfer-Encoding: binary');
 		header('Content-Length: '.$filesize);